BlackRock’s A10 Networks ATEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$303M Buy
13,088,277
+103,228
+0.8% +$2.02M 0.01% 1435
2025
Q4
$230M Sell
12,985,049
-73,058
-0.6% -$1.29M ﹤0.01% 1593
2025
Q3
$237M Sell
13,058,107
-171,606
-1% -$3.1M ﹤0.01% 1565
2025
Q2
$256M Sell
13,229,713
-123,140
-0.9% -$2.1M ﹤0.01% 1475
2025
Q1
$218M Sell
13,352,853
-244,243
-2% -$4.69M ﹤0.01% 1550
2024
Q4
$250M Buy
13,597,096
+483,066
+4% +$7.89M 0.01% 1540
2024
Q3
$189M Buy
13,114,030
+385,999
+3% +$5.21M ﹤0.01% 1697
2024
Q2
$176M Sell
12,728,031
-179,411
-1% -$2.56M ﹤0.01% 1687
2024
Q1
$177M Sell
12,907,442
-272,471
-2% -$3.66M ﹤0.01% 1727
2023
Q4
$174M Buy
13,179,913
+440,502
+3% +$5.34M ﹤0.01% 1736
2023
Q3
$191M Buy
12,739,411
+405,138
+3% +$6M 0.01% 1573
2023
Q2
$180M Buy
12,334,273
+485,884
+4% +$7.03M 0.01% 1653
2023
Q1
$184M Buy
11,848,389
+260,796
+2% +$3.98M 0.01% 1601
2022
Q4
$193M Buy
11,587,593
+209,363
+2% +$3.59M 0.01% 1557
2022
Q3
$151M Buy
11,378,230
+1,050,459
+10% +$14.9M 0.01% 1686
2022
Q2
$149M Buy
10,327,771
+5,746,805
+125% +$83.3M ﹤0.01% 1750
2022
Q1
$63.9M Buy
4,580,966
+163,954
+4% +$2.3M ﹤0.01% 2433
2021
Q4
$73.2M Sell
4,417,012
-127,288
-3% -$1.93M ﹤0.01% 2411
2021
Q3
$61.3M Sell
4,544,300
-812,060
-15% -$10.5M ﹤0.01% 2526
2021
Q2
$60.3M Sell
5,356,360
-292,661
-5% -$2.83M ﹤0.01% 2577
2021
Q1
$54.3M Buy
5,649,021
+118,469
+2% +$1.16M ﹤0.01% 2561
2020
Q4
$54.5M Sell
5,530,552
-525
-0% -$4.13K ﹤0.01% 2417
2020
Q3
$35.2M Buy
5,531,077
+21,791
+0.4% +$167K ﹤0.01% 2501
2020
Q2
$37.5M Buy
5,509,286
+905,962
+20% +$6.08M ﹤0.01% 2417
2020
Q1
$28.6M Sell
4,603,324
-280,395
-6% -$1.79M ﹤0.01% 2409
2019
Q4
$33.6M Sell
4,883,719
-415,727
-8% -$2.8M ﹤0.01% 2588
2019
Q3
$36.8M Buy
5,299,446
+41,663
+0.8% +$300K ﹤0.01% 2471
2019
Q2
$35.9M Buy
5,257,783
+463,791
+10% +$3.04M ﹤0.01% 2530
2019
Q1
$34M Buy
4,793,992
+86,166
+2% +$586K ﹤0.01% 2499
2018
Q4
$29.4M Sell
4,707,826
-137,161
-3% -$830K ﹤0.01% 2521
2018
Q3
$29.5M Sell
4,844,987
-1,439,633
-23% -$9.73M ﹤0.01% 2669
2018
Q2
$39.2M Buy
6,284,620
+92,296
+1% +$577K ﹤0.01% 2498
2018
Q1
$36M Buy
6,192,324
+1,591,572
+35% +$10.4M ﹤0.01% 2454
2017
Q4
$35.5M Buy
4,600,752
+146,307
+3% +$1.12M ﹤0.01% 2473
2017
Q3
$33.7M Sell
4,454,445
-578,479
-11% -$3.94M ﹤0.01% 2511
2017
Q2
$42.5M Buy
5,032,924
+443,757
+10% +$3.77M ﹤0.01% 2356
2017
Q1
$42M Buy
4,589,167
+4,533,153
+8,093% +$40.1M ﹤0.01% 2326
2016
Q4
$466K Sell
56,014
-3,288
-6% -$28.3K ﹤0.01% 1733
2016
Q3
$634K Buy
59,302
+15,938
+37% +$139K ﹤0.01% 1654
2016
Q2
$281K Buy
43,364
+42,117
+3,377% +$266K ﹤0.01% 1922
2016
Q1
$7K Sell
1,247
-453
-27% -$2.7K ﹤0.01% 3264
2015
Q4
$11K Sell
1,700
-1,900
-53% -$13.2K ﹤0.01% 2838
2015
Q3
$22K Buy
+3,600
New +$22.7K ﹤0.01% 2326

Other funds holding ATEN

BlackRock's ATEN Position: Q1 2026 in Review

BlackRock increased its A10 Networks (ATEN) stake by 0.79% in Q1 2026, buying an estimated $2.02M and bringing the position to 13,088,277 shares worth $303M. The position accounts for 0.01% of the portfolio, ranked #1435.

BlackRock first reported a position in ATEN in Q3 2015 and has held it in 43 quarters since. 264 funds tracked by Wall St. Rank hold ATEN as of Q1 2026.

  • BlackRock held 13,088,277 shares of A10 Networks worth $303M as of Q1 2026.
  • BlackRock bought 103,228 A10 Networks shares in Q1 2026, an estimated $2.02M.
  • A10 Networks made up 0.01% of BlackRock's portfolio in Q1 2026, its #1435 holding.
  • BlackRock first reported a position in A10 Networks in Q3 2015 and has held it in 43 quarters since.
  • 264 funds tracked by Wall St. Rank held A10 Networks as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.